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Current File : /home/kfvehpdt/uvvos.fr/wp-content/themes/blocksy/static/js/dynamic-chunks.js

import $script from 'scriptjs'

import { handleTrigger } from './frontend/dynamic-chunks/triggers'

let loadedChunks = {}
let intersectionObserver = null

const loadChunkWithPayload = (chunk, payload = {}, el = null) => {
	const immediateMount = () => {
		if (!loadedChunks[chunk.id].mount) {
			return
		}

		if (el) {
			loadedChunks[chunk.id].mount(el, payload)
		} else {
			;[...document.querySelectorAll(chunk.selector)].map((el) => {
				loadedChunks[chunk.id].mount(el, payload)
			})
		}
	}

	if (loadedChunks[chunk.id]) {
		if (payload) {
			immediateMount()
		}
	} else {
		loadedChunks[chunk.id] = {
			state: 'loading',
		}

		if (chunk.global_data) {
			chunk.global_data.map((data) => {
				if (!data.var || !data.data) {
					return
				}

				window[data.var] = data.data
			})
		}

		if (chunk.raw_html) {
			if (!document.querySelector(chunk.raw_html.selector)) {
				document.body.insertAdjacentHTML(
					'beforeend',
					chunk.raw_html.html
				)
			}
		}

		if (chunk.deps) {
			const depsThatAreNotLoadedIds = chunk.deps.filter(
				(id) =>
					!document.querySelector(
						`script[src*="${chunk.deps_data[id]}"]`
					)
			)
			const depsThatAreNotLoaded = depsThatAreNotLoadedIds.map(
				(id) => chunk.deps_data[id]
			)

			;[...depsThatAreNotLoadedIds, 'root']
				.map((x) => () => {
					return new Promise((resolve) => {
						if (x === 'root') {
							$script([chunk.url], () => {
								resolve()
								immediateMount()
							})
							return
						}

						$script([chunk.deps_data[x]], () => {
							resolve()
						})
					})
				})
				.reduce(
					(before, after) => before.then((_) => after()),
					Promise.resolve()
				)
		} else {
			$script(chunk.url, immediateMount)
		}
	}
}

const addChunkToIntersectionObserver = (chunk) => {
	if (!window.IntersectionObserver) {
		return
	}

	if (!intersectionObserver) {
		intersectionObserver = new IntersectionObserver((entries) => {
			entries.map(({ boundingClientRect, target, isIntersecting }) => {
				const chunk = target.__chunk__

				if (!isIntersecting && boundingClientRect.y > 0) {
					return
				}

				let state = `target-before-bottom`

				if (!isIntersecting && boundingClientRect.y < 0) {
					state = 'target-after-bottom'
				}

				if (
					state === 'target-before-bottom' &&
					!loadedChunks[chunk.id]
				) {
					return
				}

				loadChunkWithPayload(chunk, { state, target }, chunk.el)
			})
		})
	}

	;[...document.querySelectorAll(chunk.selector)].map((el) => {
		if (el.ioObserving) {
			return
		}

		el.ioObserving = true

		const target = document.querySelector(chunk.target)

		if (!target) {
			return
		}

		target.__chunk__ = { ...chunk, el }

		intersectionObserver.observe(target)
	})
}

export const mountDynamicChunks = () => {
	const requestIdleCallback =
		window.requestIdleCallback ||
		function (cb) {
			var start = Date.now()
			return setTimeout(function () {
				cb({
					didTimeout: false,
					timeRemaining: function () {
						return Math.max(0, 50 - (Date.now() - start))
					},
				})
			}, 1)
		}

	ct_localizations.dynamic_js_chunks.map((chunk) => {
		if (!chunk.id) {
			return
		}

		if (!document.querySelector(chunk.selector)) {
			return
		}

		if (!chunk.trigger) {
			loadChunkWithPayload(chunk, null)
			return
		}

		;(Array.isArray(chunk.trigger) ? chunk.trigger : [chunk.trigger]).map(
			(trigger) => {
				trigger = trigger.trigger
					? trigger
					: {
							trigger,
							selector: chunk.selector,
					  }

				if (trigger.trigger === 'intersection-observer') {
					addChunkToIntersectionObserver(chunk)
					return
				}

				handleTrigger(
					trigger,
					chunk,
					loadChunkWithPayload,
					loadedChunks
				)
			}
		)
	})
}

export const registerDynamicChunk = (id, implementation) => {
	if (loadedChunks[id] && loadedChunks[id].state !== 'loading') {
		return
	}

	loadedChunks[id] = implementation
}

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